package com.atguigu.gulimall.order.web;

import com.atguigu.common.exception.NoStockException;
import com.atguigu.gulimall.order.service.OrderService;
import com.atguigu.gulimall.order.vo.OrderConfirmVo;
import com.atguigu.gulimall.order.vo.OrderSubmitVo;
import com.atguigu.gulimall.order.vo.SubmitOrderResponseVo;
import lombok.RequiredArgsConstructor;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.servlet.mvc.support.RedirectAttributes;

import java.util.concurrent.ExecutionException;

/**
 * @DESCRIPTION: 订单控制器
 * @author: zr
 * @DATE: 2023/3/7 21:04
 */
@Controller
@RequiredArgsConstructor
public class OrderWebController {
    private final OrderService orderService;

    @GetMapping("/toTrade")
    public String toTrade(Model model) throws ExecutionException, InterruptedException {
        OrderConfirmVo orderConfirmVo = orderService.confirmOrder();
        model.addAttribute("confirmOrderData", orderConfirmVo);
        return "confirm";
    }

    @PostMapping("/submitOrder")
    public String submitOrder(OrderSubmitVo vo, Model model, RedirectAttributes redirectAttributes) {

        try {
            SubmitOrderResponseVo responseVo = orderService.submitOrder(vo);
            if (responseVo.getCode() == 0) {
                // 下单成功来到支付选项页
                model.addAttribute("submitOrderResp", responseVo);
                return "pay";
            } else {
                String msg = "下单失败";
                switch (responseVo.getCode()) {
                    case 1:
                        msg += "令牌订单信息过期,请刷新再次提交";
                        break;
                    case 2:
                        msg += "订单商品价格发生变化,请确认后再次提交";
                        break;
                    case 3:
                        msg += "库存锁定失败,商品库存不足!";
                        break;
                    default:
                        break;
                }
                redirectAttributes.addFlashAttribute("msg", msg);
                // 下单失败回到订单确认页重新确认订单信息
                return "redirect:http://order.gulimall.com/toTrade";
            }
        } catch (Exception e) {
            if (e instanceof NoStockException) {
                String msg = e.getMessage();
                redirectAttributes.addFlashAttribute("msg", msg);
            }
            return "redirect:http://order.gulimall.com/toTrade";
        }

    }
}
